Page 191 - Visitor Guides
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Threats to turtle nesting:  Where can I buy ‘turtle-friendly’ lights and how   Marine Turtles and    The plight of  the marine

 much will it cost me?   Lighting Management                               turtle in Cayman.



 OLighting –  areas where lighting is visible from the
 beach are not suitable for marine turtle nesting or for            ‘Las Tortugas’, the Spanish for turtles, was the name
 hatchling emergence behaviour.                                     first given to the Cayman Islands when they were

                                                                    discovered by  Christopher Columbus in 1503.  The
 Kirks
 OSea walls – Any hardened structure whether sandbags   A.L.Thompsons   name was chosen because the islands were said to be
 Phillips
 or concrete walls, removes nesting habitat from marine             “full of tortoises, as was all the sea about, insomuch
 Electrical
 Location
 turtles by physically impeding access.                             that they look’d like little rocks”. Declared extinct in
                                                                    1900 by the International Union for the Conservation
                                                                    for Nature, recent research by  the Department of
 OBeach equipment – All beach equipment left on the   Abco   Abco   Environment shows that although the Cayman Islands
 beach overnight can block access to nesting turtles   Phillips   Electric   General   can  once again  provide the  conditions  to establish,

 coming ashore or hatchlings trying to reach the ocean,    Westinghouse   maintain and support  a resident population of wild
                                                                    marine turtles,  certain steps must be taken today to
                         The Problem:                               ensure adequate nesting habitat remains. Marine turtles

 ORemoval of vegetation – Loss of vegetation between                today are a symbol of Cayman’s history, culture and
 property  and beach increases  the  amount of light that   Artificial lighting disrupts typically nocturnal   heritage, and  are highly  valued by  tourists and
 Manufacturer
 reaches the beach from the property, and  removes the   HPS   Bug-  bug-  Bug-  nesting behaviour, decreasing suitable nesting   residents, who perceive sighting of wild marine turtles
 vegetative cover, under which many turtles, in particular   Light   light   Flood   light   HPS   Type  habitat  and  confusing  and  disorienting   as a very special experience.

 hawksbills, prefer to nest.   hatchling  turtles,  preventing  them  from
        reaching the  sea.                                          Today, almost all threats  to marine turtles  and their
 W
                                                                    nesting beaches are the result of coastal development.
 18
 OBeach cleaning –  Machines that clean and condition   through     Massively increased numbers of people live on or near
 150
 180
 60/25
 the sand have rotating sieves that reach down beneath the   attage  The solution:   the coast, and tourism targets these areas specifically.
 100/60
 surface of the  sand. These can destroy eggs laid in
 shallow nests, or  crush hatchlings escaping from nests.   2pk   2pk   As few lights as practical should be used, and   This drain on nesting grounds is a major factor
        for essential lighting, long-wave light sources             affecting the re-establishment of a wild nesting marine
        should  replace  more  disruptive  light  sources.          turtle population in Cayman  today. It is a problem
 Price
 $7.35
 $1.95
 $2.60
 $24.00
 Varies
        Using  lights  of  minimal  wattage  that  are              faced by many  areas throughout the region,  and one
 for
 Flashlight beam   fittings   order  stock   W here   housed  within  well-directed  fixtures  aimed   that has been effectively dealt with in some of these
 Not
 and
        down  and  away  from  the  beach  will  reduce             places, for example in Florida. The negative impact on
        intensity.  Motion-sensors  should  be  fitted              wild nesting marine turtle populations must be taken
 all
 necessary
        wherever  possible  and  native  vegetation                 seriously and  addressed in  a comprehensive plan for
        should be planted between properties and the                recovery.  This brochure addresses the problems
 sizes
 in
 different
 shapes
 but can
 comments
        sea, to further reduce the amount of light that             associated with artificial  lighting and marine turtle
        reaches the beach.                                          nesting behaviour, and looks at how you can help.
 no.
 36883-7
 36877-9
 36881-1
 36879-5
 36872-0
 36867-0
 36874-6
 36869-6
 36876-1
 Product
 Direction of the ocean
        Department of Environment, Grand Cayman
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